3 years ago

If f (x) = -3x+6 and f(x) = 18, what is the value of x

Mathematics

2 answers:

EastWind [94]3 years ago

5 0

Answer:

-54 + 6

forgive me if i'm wrong, i am trying my best!!

Ratling [72]3 years ago

3 0

Answer:

-4

Step-by-step explanation:

$f(x)=-3x+6\\\\f(x)=18\\\\\Rightarrow 18=-3x+6\\\\18-6=-3x\\\\12=-3x\\\\x=\frac{12}{-3}\\\\x=-4$

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